{"id":"CVE-2026-40538","title":"An improper restriction of excessive authentication attempts vulnerability in Auto block in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to read limited files via brute…","summary":"An improper restriction of excessive authentication attempts vulnerability in Auto block in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to read limited files via brute…","severity":"low","cvss":3.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-307"],"vendor":"Synology","product":"DiskStation Manager (DSM)","affected":["diskstation_manager_dsm >= 7.3.2 < 7.3.2-86009-2","diskstation_manager_dsm >= 7.2.2 < 7.2.2-72806-7","diskstation_manager_dsm >= 7.2.1 < 7.2.1-69057-10"],"published":"2026-09-18","updated":"2026-09-18","sourceUpdated":"2026-09-18T19:07:38.320","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-40538","references":[{"url":"https://www.synology.com/en-global/security/advisory/Synology_SA_26_06","label":"security@synology.com"}],"tags":["nvd","cve.org"],"epss":0.00249,"epssPercentile":0.16564,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-18T10:42:03.617664Z"},"ingestedAt":"2026-09-18T08:38:04.109Z","slug":"CVE-2026-40538","body":"## Overview\n\nAn improper restriction of excessive authentication attempts vulnerability in Auto block in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to read limited files via brute-force attacks.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":20,"depthScoreParts":{"impact":20.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}